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CVE-2026-19681: An authenticated command injection vulnerability exists in Security Center related to file upload processing

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This week
CRITICAL 9.9UPGRADE

CVE-2026-19681 is a critical-severity flaw (CVSS 9.9) affecting security center. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authenticated command injection vulnerability exists in Security Center related to file upload processing. An attacker could exploit this issue by uploading a specially crafted file, potentially resulting in arbitrary command execution on the underlying operating system.

Why this priority

  • Critical severity
  • EPSS top 9%: very likely to be exploited
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score9.9 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance4.2% (top 9%)
CISA exploited listNo
WeaknessCWE-78
Published2026-08-14
Last modified2026-08-19
Publisher (CNA): Tenable Network Security, Inc. · Vendor: tenable

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Last updated 2026-08-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

tenable security center UPGRADE
Affected: < 6.9.0
Fixed in: 6.9.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy security-center || rpm -q security-center || security-center --version
2. UPGRADE to 6.9.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade security-center
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade security-center
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · openbao · FIXED · 2.6.5-1.eln159 · FEDORA-2026-77adf886ae · source
sudo dnf upgrade --advisory=FEDORA-2026-77adf886ae
Fedora 46 · sugar-turtleart · FIXED · 220-16.fc46 · FEDORA-2026-b79483c788 · source
sudo dnf upgrade --advisory=FEDORA-2026-b79483c788

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-19681?

security center: upgrade to 6.9.0. Exact commands for each OS are on this page.

Is CVE-2026-19681 being exploited?

CVE-2026-19681 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-19681 affect?

CVE-2026-19681 affects security center. Severity is critical (CVSS 9.9). An authenticated command injection vulnerability exists in Security Center related to file upload processing. An attacker could exploit this issue by uploading a specially crafted file, potentially resulting in arbitrary command execution o

How urgent is CVE-2026-19681?

Priority 62/100. Critical severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

References

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